List of Illustrations 



Between Pages 



Female Parkman's Wren Investigating 



Noise 32-33 



Bark Removed to Show Incubating Wren 32-33 

 The Nest of the Parkman's Wren with 



Six Eggs 34-35 



The Young Wrens Soon After Hatching . 34-35 

 A Characteristic Pose of the Parkman's 



Wren 36-37 



Tern at Nest 36-37 



Tern Gracefully Folding Its Wings . . 38-39 

 A Tern's Nest at the Edge of Salt- Water 



Grass 38-39 



The Terns' Nests are Mere Depressions 40-41 



Tern Posed to Show the Graceful Neck . 40-41 

 A Young Tern at the Stage When They 



Learn to Fly 42-43 



A Tern's Nest in the Seaweed with Eggs . 42-43 

 Young Terns are Good Examples of Pro- 

 tective Coloring 44-45 



Young Terns Squatting Among the Rocks 44-45 



Tern Swimming in the Water .... 46-47 



Terns Resting and Flying about Rocks . 46-47 



Yellow Warbler Entering Nest . . . 48-49 

 Nest of Warbler about Two Feet from the 



Ground 48-49 



